What type of property is 21 Thanstead Copse, HP10 9YH?

21 Thanstead Copse, HP10 9YH is a 4-bedroom detached house.

What did 21 Thanstead Copse, HP10 9YH sell for?

21 Thanstead Copse, HP10 9YH last sold for £635,000 in September 2025. Land Registry has 4 sales on record going back to £177,500 in January 1998. Source: HM Land Registry.

How has the value of 21 Thanstead Copse, HP10 9YH changed over time?

Across 4 sales between January 1998 and September 2025, 21 Thanstead Copse, HP10 9YH rose from £177,500 to £635,000, a change of £457,500. That works out to roughly +4.7% per year compounded over 28 years. Source: HM Land Registry.

How energy efficient is 21 Thanstead Copse, HP10 9YH?

The current EPC rating for 21 Thanstead Copse, HP10 9YH is D with a score of 65 out of 100, lodged in January 2019. The assessor estimates the property could reach a C. Source: EPC Register.

What is the floor area of 21 Thanstead Copse, HP10 9YH?

21 Thanstead Copse, HP10 9YH has a recorded floor area of 124 m² (1,335 sq ft), around 31 m² per bedroom. That makes it about 42% larger than the median EPC-recorded property in HP10 9YH. Source: EPC Register.

How is 21 Thanstead Copse, HP10 9YH heated?

The latest EPC at 21 Thanstead Copse, HP10 9YH records mains gas as the main heating fuel. Source: EPC Register.

Are there any planning records for 21 Thanstead Copse, HP10 9YH?

21 Thanstead Copse, HP10 9YH has 2 planning records on file (2 approved), most recent in July 2022. Source: PlanIt planning register.

What council tax band is 21 Thanstead Copse, HP10 9YH?

21 Thanstead Copse, HP10 9YH is in council tax band F. That sits towards the upper end of the band ladder, typically reflecting larger or higher-value homes.

Where is 21 Thanstead Copse, HP10 9YH located?

21 Thanstead Copse, HP10 9YH sits in Loudwater, High Wycombe, High Wycombe. It falls within the HP10 postcode district in Buckinghamshire.

How safe is the area around 21 Thanstead Copse, HP10 9YH?

Police records around 21 Thanstead Copse, HP10 9YH show an average of 3 reported crimes per month over the last 12 months. Violent crime makes up roughly 41% of reports, the most common category. The overall trend is rising (233% versus the prior period). Source: Police UK.

Which schools serve 21 Thanstead Copse, HP10 9YH?

The closest primary school to 21 Thanstead Copse, HP10 9YH is Loudwater Combined School (766m), one of 10 primaries within walking distance.

What is the nearest station to 21 Thanstead Copse, HP10 9YH?

The closest bus stop to 21 Thanstead Copse, HP10 9YH is The Papermill, 137m away. In total there are 30 bus stops within the surrounding area.

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21 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH

4 sales on record2 planning records

Property type

Detached

Bedrooms

Bathrooms

Floor area

124 m²

1335 sq ft

Energy rating

Score 65

Council tax

Band F

Tenure

Owner Occupied

Overview

About 21 Thanstead Copse

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 Thanstead Copse is a four-bedroom detached house in Loudwater, High Wycombe, High Wycombe (HP10 9YH). It has a recorded floor area of 124 m² (around 1335 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (January 2019) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80).

It changed hands recently, sold September 2025 for £635,000. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. Across 1998–2025, sale prices on this property compounded at 4.7% per year. On a £-per-square-foot basis, the last sale (£476/sq ft) was about 132.5% above the typical sold price in the postcode.

Before you offer

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Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

Bedrooms4
Bathrooms2

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

EPC Rating

D65

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Average

CO2 Emissions

4.7 t/year

Occupancy

Owner Occupied

Planning

Planning history

Applications and permits filed against 21 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH, sourced from the PlanIt planning register.

Jul 2022
Tree WorksTrees
In report
Cut back lower branches up to a height of 3m above ground level to the Willows along footpath between numbers 13-27 Thanstead Copse
Documents
7 docs on file
Reference
22/06517/TPO
View planning record
Jun 2005
RenovationFull
In report
Retention of new boundary wall with railings not exceeding 1.75m to front boundary (retrospective)
Retrospective
Documents
7 docs on file
Reference
05/06035/FUL
View planning record

What's in 21 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH's planning history?

Refusals, disputes and full decisions on this property and nearby, in the report.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

21 Thanstead Copse has more than tripled in price since its earliest registered sale in 1998.

Current estimate

£627,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 28 years.

See how we calculated this

Last sold (2025)

£635,000

Growth on file: 4.7% per year over 28 years.

Sales timeline

30 September 2025Most recent
£635,000
+108.2%over 20 years
14 March 2005
£305,000
+41.9%over 4 years
18 April 2000
£215,000
+21.1%over 2 years
30 January 1998
£177,500

Median price across the last 5 sales in HP10 9YH: £690,000 (2025–2022).

Nearby sales in HP10 9YH

Before you offer

Everything we know about 21 Thanstead Copse, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

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Is something wrong with it?
Is the agent's story true?
Will it hold its value?

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On the street

Versus other Thanstead Copse homes

Four headline reads against 30 similar houses on this street, drawn from the latest EPC and Land Registry data.

On years held, 21 Thanstead Copse runs well behind the street norm.

Price per m²

£5,121

Street avg £3,562

Above

Floor Area

124 m²

Street avg 111 m²

On par

Habitable Rooms

6 rooms

Street avg 6 rooms

On par

CO₂ Emissions

4.7 t/year

Street avg 3.5 t/year

Below

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£650k

1 Chiltern Green, Flackwell Heath

HP10 9AJ

4 bed2 bath

£712k

1 Chilterns Close, Flackwell Heath

HP10 9BB

4 bed2 bath

£550k

1 Clay Close, Flackwell Heath

HP10 9BG

4 bed

£718k

1 Bracken Way, Flackwell Heath

HP10 9JX

4 bed1 bath

£925k

1 Cherry Rise, Flackwell Heath

HP10 9PS

4 bed2 bath

£584k

1 Aspen Road

HP10 9FA

3 bed2 bath

£683k

1 Cherrywood Gardens, Flackwell Heath

HP10 9AX

3 bed2 bath

£532k

1 Birfield Road, Loudwater

HP10 9TW

3 bed2 bath

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the High Wycombe district page.

Full High Wycombe report

Reported crime in the wider district is trending notably upward year-on-year.

Crime

3/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

The Papermill — bus stop.

Closest school

0.8 km

Loudwater Combined School. 10 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around HP10 9YH from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

55.5dB

Moderate

Night-time road noise heatmap for HP10 9YH

Night-time· 23:00 – 07:00

48.7dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Thanstead Copse, Loudwater, High Wycombe, HP10 9YH. Each answer is also embedded as structured data for search engines.